Thunderbolt Sportswear Baseline Marly Tee

A successful running and backpacking kit begins with the base layers that a person wears. I will be using the Thunderbolt Sportswear Baseline Marly Tee as my base layer shirt for my adventures over the next few months. The Baseline Marly Tee is a lightweight merino tee shirt that is available in both long sleeve and short sleeve options. Read on for my initial thoughts.